CVE & CISA-KEV Catalog

CVE-2021-45078

HIGH
7.8
CVSS v3
NVD

Description

stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write. NOTE: this issue exists because of an incorrect fix for CVE-2018-12699.

CWE-787Out-of-bounds Write

How to fix

Remediation Available
binutilsDebian
Fixed in:2.37.50.20220106-1CVE-2021-45078
Fixed in:2.37.50.20220106-1CVE-2021-45078
Fixed in:2.37.50.20220106-1CVE-2021-45078
binutilsUbuntu
Fixed in:2.26.1-1ubuntu1~16.04.8+esm3USN-5341-1
Fixed in:2.34-6ubuntu1.6USN-6160-1
binutils-multiarchUbuntu
Fixed in:2.26.1-1ubuntu1~16.04.8+esm3USN-5341-1
Fixed in:2.34-6ubuntu1.6USN-6160-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.31%probability of exploitation in 30 days
67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2015-3113Critical9.8100%KEVFix
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2023-4863High8.8100%KEVFix
CVE-2020-16040Medium6.5100%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.